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Finding the Third Proportional to 90,612 and 192,186

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Solution

The third proportional to 90,612 and 192,186 is: 407,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,612 : 192,186 = 192,186 : x
  2. Step 2: Convert to fraction form
    90,612/192,186 = 192,186/x
  3. Step 3: Cross multiply
    90,612x = 192,186 × 192,186
  4. Step 4: Simplify right side
    90,612x = 36,935,458,596
  5. Step 5: Solve for x
    x = 36,935,458,596/90,612
  6. Step 6: Final answer
    x = 407,622.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.